diff options
| author | Boris Ostrovsky <boris.ostrovsky@oracle.com> | 2018-03-19 10:31:54 -0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-03-20 12:00:53 +0100 |
| commit | 31ad7f8e7dc94d3b85ccf9b6141ce6dfd35a1781 (patch) | |
| tree | 2cc46d5d2e96e9a4f9da98b1d3499d7b517950e9 /arch/x86/kernel/idt.c | |
| parent | 5927145efd5de71976e62e2822511b13014d7e56 (diff) | |
x86/vsyscall/64: Use proper accessor to update P4D entry
Writing to it directly does not work for Xen PV guests.
Fixes: 49275fef986a ("x86/vsyscall/64: Explicitly set _PAGE_USER in the pagetable hierarchy")
Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Juergen Gross <jgross@suse.com>
Acked-by: Andy Lutomirski <luto@kernel.org>
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/20180319143154.3742-1-boris.ostrovsky@oracle.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/idt.c')
0 files changed, 0 insertions, 0 deletions